package com.echat.business.book.dao;

import com.baomidou.mybatisplus.mapper.BaseMapper;
import com.echat.business.book.model.Announcement;

/**
 * <p>
 * 平台公告栏 Mapper 接口
 * </p>
 *
 * @author chentl123
 * @since 2019-06-06
 */
public interface AnnouncementMapper extends BaseMapper<Announcement> {

}
